<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://vilne.org.ua/2015/08/%d0%b3%d0%be%d0%bb%d0%be%d1%81%d1%83%d0%b2%d0%b0%d0%bb%d0%b8-%d0%b7%d0%b0-%d0%b7%d0%bc%d1%96%d0%bd%d0%b8/>